Pipe coupling segment



FIG. 1 is an isometric view of an embodiment of our design for a pipe coupling segment;

FIG. 2 top view of the design for the pipe coupling segment shown in FIG. 1;

FIG. 3 is a bottom view of the design for the pipe coupling segment shown in FIG. 1;

FIG. 4 is a left side view of the design for the pipe coupling segment shown in FIG. 1, the right side view being identical thereto; and,

FIG. 5 is a left end view of the design for the pipe coupling segment shown in FIG. 1, the right end view being identical thereto.

The broken lines in FIGS. 1 through 5 are for illustrative purposes only and form no part of the claimed design. 

CLAIM We claim the ornamental design for a pipe coupling segment, as shown and described. 